Samsung SCX-4729FW - Door Open Close It

4.AlignmentandTroubleshooting
►ErrorCode
S2–4110
►Errormessage
DooropenCloseit
►Symptom
Doorisopenorthecoveropenswitchisdefective.
►Troubleshootingmethod
1)Checkifthefrontcoverisclosedperfectly.
2)CheckiftheconnectionbetweenthemainboardandHVPSboardiscorrect.
3)CheckifthecoveropenswitchonHVPSboardisoperatedproperly.Ifitisdefective,replacetheHVPSboard.
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